Question: Consider an aircraft powered by a turbojet engine that has a pressure ratio of 10. The aircraft is stationary on the ground, held in position

Consider an aircraft powered by a turbojet engine that has a pressure ratio of 10. The aircraft is stationary on the ground, held in position by its brakes. The ambient air is 25oC and 100 kPa and enters the engine at a rate of 20 kg/s. The jet fuel has a heating value of 42700 kJ/kg, and it is burned completely at a rate of 0.35 kg/s. Neglecting the effect of the diffuser and disregarding the slight change in the mass at the engine exit as well as the inefficiencies of the engine components, determine (a) the force that must be applied on the brakes to hold the plane stationary. Use IG model.

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